نتایج جستجو برای: biochemical tests
تعداد نتایج: 463074 فیلتر نتایج به سال:
in this research 130 sheep-dung samples were collected from kermani breed in area of kerman randomly. after processing and culture of samples, the produced colonies were studied morphologically and gram stain test and the genus of these bacteria were identified using biochemical tests. the clostridia strains isolates were included 30 percent of total samples i.e. clostridiums perfringense, bara...
Isolation and differentiation of various species of mycobacteria are predominantly based on conventional, cultural and biochemical tests. Among the non-tuberculous mycobacteria, these tests are unable to differentiate M. scrofulaceum from M. avium-intracellulare (MAI) because of their identical biochemical characteristics. For this reason, one hundred mycobacterial strains suspected to be M. ...
to determine the extent and the size of the environment pollution with heavy metals, biologicalmethods, investigating the enzymatic activity of soil can be applied. most frequently, the enzymes investigated in the soils threatened with anthropogenic contamination are phosphatases, dehydrogenases as reacting fastest to the increase in the content of heavy metals in the environment. the aim of th...
to determine the extent and the size of the environment pollution with heavy metals, biologicalmethods, investigating the enzymatic activity of soil can be applied. most frequently, the enzymes investigated in the soils threatened with anthropogenic contamination are phosphatases, dehydrogenases as reacting fastest to the increase in the content of heavy metals in the environment. the aim of th...
The present study was undertaken to screen the soil samples collected in Iran for the presence of the Bacillus subtilis lipase A gene. The bacterial colonies obtained from the collected soil samples were examined by physical appearance, biochemical tests and the polymerase chain reaction (PCR). Only four colonies were identified as putative B. subtilis strains and all contained the lipase A ge...
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